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Neutron Log
BestPractices It is best to use neutron logging in addit
It is best to use neutron logging in addition to other logs to best determine the rock type and porosity. The use with gamma ray logging can reduce the possibility of potentially mistaking a shale as a high porosity zone since shales have a different gamma ray signal than sandstones.
ifferent gamma ray signal than sandstones.  +
DataAcquisition Neutron logging tools commonly use chemica
Neutron logging tools commonly use chemical sealed sources, generally Americium-241/Beryllium (AmBe). These sources emit fast neutrons that are eventually slowed down by collisions with hydrogen atoms found in fluids such as oil, gas or water until they are captured at the receiver. When the sourced neutrons are received they produce a secondary emission which is detected and counted. The higher the count means that fewer of the sourced neutrons were slowed down by hydrogen atoms between the source and the receiver.
atoms between the source and the receiver.  +
ExplorationGroup Downhole Techniques +
ExplorationSubGroup Well Log Techniques +
GeoUse Identification of formation porosity. +
HydroInfo Estimate of formation porosity  +
LithologyInfo if used in conjunction with other logs, this technique can provide information on the rock type and the porosity  +
Name Neutron Log  +
OpenEI/PageDescription About Neutron Log, a geothermal exploration technique, including areas of use.  +
OpenEI/PageKeyword geothermal  + , exploration  + , techniques  + , Neutron Log  + , areas  +
Pitfalls Neutron logging used without other logs ca
Neutron logging used without other logs can provide misleading information on formation porosity. Shales tend to have low porosities, but because a large amount of water is bound up within the shale a large number of the hydrogen atoms will be slowed down and it will result in a low count rate at the detector.
esult in a low count rate at the detector.  +
References [http://www.logwell.com/tech/nuclear/neutron_log.html ANALOG Services on The Neutron Log]  +
StratInfo Corelation of rock units  +
TypeOf Well Log Techniques +
Has query
"Has query" is a predefined property that represents meta information (in form of a subobject) about individual queries and is provided by Semantic MediaWiki.
Neutron Log + , Neutron Log + , Neutron Log + , Neutron Log + , Neutron Log + , Neutron Log + , Neutron Log + , Neutron Log + , Neutron Log + , Neutron Log +
Has processing error
"Has processing error" is a predefined property provided by Semantic MediaWiki and represents errors that appeared in connection with improper value annotations or input processing.
Neutron Log + , Neutron Log + , Neutron Log + , Neutron Log +
Categories Exploration Techniques , Geothermal , Well Log Techniques , Neutron Log
Modification date
"Modification date" is a predefined property that corresponds to the date of the last modification of a subject and is provided by Semantic MediaWiki.
20:56:21, 14 October 2013  +
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Neutron Log At Alum Area (Moos & Ronne, 2010) + , Neutron Log At Coso Geothermal Area (1977) + , Neutron Log At Fort Bliss Area (Combs, Et Al., 1999) + , Neutron Log At Silver Peak Area (DOE GTP) + , Neutron Log At Valles Caldera - Redondo Geothermal Area (Rowley, Et Al., 1987) + ExplorationTechnique
Exploration-Related Technique - Neutron + redirect page
 
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